APA引文

Najma,Heptulla. (1993). Environment protection in developing countries. Oxford & IBH Publishing Co.Pvt.Ltd.

Chicago Edition Citation

Najma,Heptulla. Environment Protection in Developing Countries. New Delhi: Oxford & IBH Publishing Co.Pvt.Ltd, 1993.

MLA引文

Najma,Heptulla. Environment Protection in Developing Countries. Oxford & IBH Publishing Co.Pvt.Ltd, 1993.

警告：这些引文格式不一定是100％准确.